But’ko, Lyudmila, Boris V. Makogon, Aleksej N. Nifanov, Oleg N. Poluhin, and Sergey V. Tychinin. 2018. “Territory Formalization in the Constitutions of CIS Countries”. Amazonia Investiga 7 (12):187-93. https://amazoniainvestiga.info/index.php/amazonia/article/view/588.